| 变量 | (1) | (2) | (3) |
| CI | IS | GF | |
| GF | −6.792*** | −56.482*** | −5.285*** |
| (1.251) | (5.424) | (1.428) | |
| IS | \ | \ | 0.027** |
| \ | \ | (0.012) | |
| lnGDP | −23.164* | 160.575*** | −27.448** |
| (11.875) | (51.485) | (11.979) | |
| lnGDP2 | 2.664** | −12.397** | 2.994** |
| (1.272) | (5.517) | (1.275) | |
| lnFDI | −1.802*** | 2.792*** | −1.877*** |
| (0.186) | (0.807) | (0.188) | |
| lnCITY | 3.942* | −74.199*** | 5.923*** |
| (2.035) | (8.821) | (2.223) | |
| YEAR | Yes | YES | YES |
| Cons | 52.275* | −290.697*** | 60.030* |
| (26.798) | (116.185) | (26.899) | |
| Obs | 360 | 360 | 360 |